BOSS® 819
Firestop - Pipe Collar


BOSS® 819
Firestop - Pipe Collar


A zinc coated, factory formed, steel shell that contains heat reactive intumescent materials. Effectively closes and seals openings where plastic pipes penetrate fire-rated walls and floors.


  • Easy to install with a slide-lock closure
  • Tested on PVC, ABS, FRPP, CPVC


Packaging Types

  • 2" Packed In Boxes Of 24
  • 3" Packed In Boxes Of 24
  • 4" Packed In Boxes Of 24

Technical Information